Hello Monster
A top detective is reunited with a childhood friend who has since become a leading criminal profiler. Can they join forces to stop a serial killer?
Season 1 episodes
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Episode 1
Every Child's Story Begins with Their Parents
Episode 2
Hello, Monster
Episode 3
Thou Shall Not Kill, But...
Episode 4
The Suspect, Lee Hyun
Episode 5
Borne Back Ceaselessly into the Past
Episode 6
The Blood of a Murderer
Episode 7
Let's Be Partners?
Episode 8
Remember Me
Episode 9
Stalker S
Episode 10
Find Me
Episode 11
Birth of a Monster
Episode 12
If I Had to Kill Somebody...
Episode 13
What Choice Would You Make?
Episode 14
Lee Joon-young's Room
Episode 15
Is a Happy Ending Possible?
Episode 16
I Remember You